Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1831: Fill in the blank: ______ are used to determine the next hop in the packet path.
- A: DNS addresses
- B: MAC addresses
- C: IP headers
- D: Routing protocols
View Answer
D
Q1832: The process of choosing the path a packet takes is called ______.
- A: Framing
- B: Modulation
- C: Routing
- D: Error detection
View Answer
C
Q1833: IP addresses are part of which header in a packet?
- A: Data-link header
- B: Transport header
- C: IP header
- D: Application header
View Answer
C
Q1834: Which of the following defines the ends of a communication in a network?
- A: IP addresses
- B: MAC addresses
- C: Gateway addresses
- D: Port numbers
View Answer
A
Q1835: Fill in the blank: The ______ contains both source and destination IP addresses.
- A: Frame
- B: Segment
- C: Packet
- D: Header
View Answer
C
Q1836: Why can't IP addresses alone determine the transmission path?
- A: They are outdated
- B: They lack routing info
- C: They are dynamic
- D: They are not encrypted
View Answer
B
Q1837: How many bits are used in Ethernet link-layer addresses?
- A: 32
- B: 48
- C: 64
- D: 128
View Answer
B
Q1838: Which of the following is a unicast link-layer address format?
- A: All 0s
- B: All 1s
- C: Second digit even
- D: Second digit odd
View Answer
D
Q1839: What is the identifying characteristic of a multicast link-layer address in Ethernet?
- A: All 0s
- B: Second digit odd
- C: Second digit even
- D: All 1s
View Answer
C
Q1840: The second digit of an Ethernet multicast address must be:
- A: Odd
- B: Even
- C: 0
- D: 1
View Answer
B